substring method in Java | Facts about substring method

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In Java, a Substring is a part of a String or a subset of the String. There are two variants of the substring() method.

substring(int startIndex)
substring(int startIndex, int endIndex)

String substring()
The substring() method has two variants and returns a new string that is a substring of this string. The substring begins with the character at the specified index and extends to the end of this string.

Syntax
public String substring(int begIndex);

String substring(begIndex, endIndex)
This method has two variants and returns a new string that is a substring of this string. The substring begins with the character at the specified index and extends to the end of this string or up to endIndex – 1 if the second argument is given.
Syntax
public String substring(int begIndex, int endIndex);

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